diff --git a/addons/crm/crm_installer.py b/addons/crm/crm_installer.py
index 7bba2bd6f3b..6797afc62e0 100644
--- a/addons/crm/crm_installer.py
+++ b/addons/crm/crm_installer.py
@@ -39,8 +39,8 @@ class crm_installer(osv.osv_memory):
         'crm_caldav': fields.boolean('Calendar Synchronizing', help="Helps you to synchronize the meetings with other calendar clients and mobiles."),
         'sale_crm': fields.boolean('Opportunity to Quotation', help="This module relates sale from opportunity cases in the CRM."),
         'fetchmail': fields.boolean('Fetch Emails', help="Fetchmail Server."),
-        'thunderbird': fields.boolean('Thunderbird', help="Allows you to link your e-mail to OpenERP' documents. You can attach it to any existing one in OpenERP or create a new one"),
-        'outlook': fields.boolean('MS-Outlook', help="Allows you to link your e-mail to OpenERP' documents. You can attach it to any existing one in OpenERP or create a new one"),
+        'thunderbird': fields.boolean('Thunderbird', help="Allows you to link your e-mail to OpenERP's documents. You can attach it to any existing one in OpenERP or create a new one"),
+        'outlook': fields.boolean('MS-Outlook', help="Allows you to link your e-mail to OpenERP's documents. You can attach it to any existing one in OpenERP or create a new one"),
         'wiki_sale_faq': fields.boolean('Sale FAQ', help="Sale FAQ."),
     }
 
diff --git a/addons/hr/hr_installer.xml b/addons/hr/hr_installer.xml
index 50e858e6a80..49151fce68b 100644
--- a/addons/hr/hr_installer.xml
+++ b/addons/hr/hr_installer.xml
@@ -19,7 +19,7 @@
                 <attribute name='string'></attribute>
             </xpath>
             <xpath expr="//label[@string='description']" position="attributes">
-                <attribute name="string">TYou can enhance the base HR addon by installing a few HR-related applications.</attribute>
+                <attribute name="string">You can enhance the base HR addon by installing few HR-related applications.</attribute>
             </xpath>
           <group colspan="8">
             <field name="hr_holidays"/>
diff --git a/addons/profile_tools/installer.py b/addons/profile_tools/installer.py
index 1a793352b6e..9a5780acd05 100644
--- a/addons/profile_tools/installer.py
+++ b/addons/profile_tools/installer.py
@@ -25,10 +25,10 @@ class misc_tools_installer(osv.osv_memory):
     _inherit = 'res.config.installer'
 
     _columns = {
-        'lunch':fields.boolean('Lunch Orders',help='Installs tools for lunch module'),
-        'subscription':fields.boolean('Recurring Documents',help='Installs tools for subscription module'),
-        'survey':fields.boolean('Survey',help='Installs tools for survey module'),
-        'audittrail':fields.boolean('Audit Trail',help='Installs tools for audittrail module'),
+        'lunch':fields.boolean('Lunch',help='Helps to manage Lunch Orders'),
+        'subscription':fields.boolean('Recurring Documents',help='Helps to add subscription on documents'),
+        'survey':fields.boolean('Survey',help='Manages Custom Surveys'),
+        'audittrail':fields.boolean('Audit Trail',help="Lets you to track user's operations on specific Objects."),
     }
     _defaults = {
         'lunch': True,
diff --git a/addons/report_designer/installer.py b/addons/report_designer/installer.py
index e8b45db1248..4dd35fd4560 100644
--- a/addons/report_designer/installer.py
+++ b/addons/report_designer/installer.py
@@ -34,7 +34,7 @@ class report_designer_installer(osv.osv_memory):
                                 "After installation, it adds a menu to define custom report in the Dashboard menu."),
         'olap':fields.boolean('Business Intelligence Report',help="Olap module is used to install BI module in client. Olap provides Online "
                                 "Analytical Process with the mdx query. BI provides Cube Browsing and Cube Designing. "
-                                "After installation you will get Cube Browser and Cube Desinger in Reporting Menu. "
+                                "After installation you will get Cube Browser and Cube Designer in Reporting Menu. "
                                 "Cube Browser is used to generate the reports with table view (mdx view) of mdx query "
                                 "and Cube Designer is used to make cubes in BI."),
     }
diff --git a/addons/thunderbird/installer.py b/addons/thunderbird/installer.py
index 14a819aa2c7..11e185dbf77 100644
--- a/addons/thunderbird/installer.py
+++ b/addons/thunderbird/installer.py
@@ -54,7 +54,7 @@ class thunderbird_installer(osv.osv_memory):
         'description' : """* Save the Thunderbird plug-­in.
         * Follow these steps to install Thunderbird plug-­in.
             1. From Menu Bar of Thunderbird, open Tools ­> Add-ons.
-            2. Click install button.
+            2. Click "Install" button.
             3. Select the plug-in(openerp_plugin.xpi file)
             5. Click "Install Now".
             6. Restart Thunderbird.
diff --git a/addons/thunderbird/thunderbird_installer.xml b/addons/thunderbird/thunderbird_installer.xml
index 0b30e8addce..b7a66d4e122 100644
--- a/addons/thunderbird/thunderbird_installer.xml
+++ b/addons/thunderbird/thunderbird_installer.xml
@@ -15,7 +15,7 @@
                    <attribute name="string">Thunderbird</attribute>
               </separator>
               <xpath expr="//label[@string='description']" position="attributes">
-                  <attribute name="string">This plug-in allows you to link your e-mail to OpenERP' documents. You can attach it to any existing one in OpenERP or create a new one.</attribute>
+                  <attribute name="string">This plug-in allows you to link your e-mail to OpenERP's documents. You can attach it to any existing one in OpenERP or create a new one.</attribute>
               </xpath>
 	      <xpath expr="//button[@string='Install Modules']" position="attributes">
 	        <attribute name="string">Configure</attribute>
@@ -35,7 +35,7 @@
                   <newline/>
                   <field name="pdf_file" filename="pdf_name"/>
                   <newline/>
-                  <separator string="Thunderbird plugin installation note." colspan="4"/>
+                  <separator string="Installation and Configuration Steps" colspan="4"/>
                   <field name="description" nolabel="1" colspan="8"/>
               </group>
               </group>